Problem 4 (25 points) For the Cross-section shown below, use fe = 4 ksi and fy = 65 ksi and perform the following: a) Co

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Problem 4 25 Points For The Cross Section Shown Below Use Fe 4 Ksi And Fy 65 Ksi And Perform The Following A Co 1 (24.06 KiB) Viewed 32 times

Problem 4 (25 points) For the Cross-section shown below, use fe = 4 ksi and fy = 65 ksi and perform the following: a) Compute the amount of reinforcement A, that produces an "a=0.75amax". b) For part (a) Compute ØM, 5²2=4 → 31 = UST in 6.15 7.5" 40 14" 26.5" 2.5" as 0.75*max amax = Bad & 174 +54 = 0 25(26.5). = 8414 ין 174 +6 0.75amax 0.15 (8.1) = G. 151